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[Emacs-diffs] master f79c33b 3/3: Use special-mode for read-only buffers
From: |
Sam Steingold |
Subject: |
[Emacs-diffs] master f79c33b 3/3: Use special-mode for read-only buffers. |
Date: |
Wed, 22 Nov 2017 16:15:09 -0500 (EST) |
branch: master
commit f79c33b39f195d1b30d7a3e085804e45ab76358e
Author: Sam Steingold <address@hidden>
Commit: Sam Steingold <address@hidden>
Use special-mode for read-only buffers.
* lisp/progmodes/etags.el (tags-table-mode): Define using
`define-derived-mode', inheriting from `special-mode'.
Not only the buffer is now read-only, but you can bury it with "q".
(select-tags-table-mode): No need to set `buffer-read-only'
explicitly, `special-mode' takes care of that.
* lisp/vc/log-edit.el (log-edit-show-files): Use `special-mode'
instead of setting `buffer-read-only' explicitly.
---
lisp/progmodes/etags.el | 9 +++------
lisp/vc/log-edit.el | 2 +-
2 files changed, 4 insertions(+), 7 deletions(-)
diff --git a/lisp/progmodes/etags.el b/lisp/progmodes/etags.el
index 619c2ed..50a9f81 100644
--- a/lisp/progmodes/etags.el
+++ b/lisp/progmodes/etags.el
@@ -274,12 +274,9 @@ buffer-local and set them to nil."
(run-hook-with-args-until-success 'tags-table-format-functions))
;;;###autoload
-(defun tags-table-mode ()
+(define-derived-mode tags-table-mode special-mode "Tags Table"
"Major mode for tags table file buffers."
- (interactive)
- (setq major-mode 'tags-table-mode ;FIXME: Use define-derived-mode.
- mode-name "Tags Table"
- buffer-undo-list t)
+ (setq buffer-undo-list t)
(initialize-new-tags-table))
;;;###autoload
@@ -2060,7 +2057,7 @@ see the doc of that variable if you want to add names to
the list."
(define-derived-mode select-tags-table-mode special-mode "Select Tags Table"
"Major mode for choosing a current tags table among those already loaded."
- (setq buffer-read-only t))
+ )
(defun select-tags-table-select (button)
"Select the tags table named on this line."
diff --git a/lisp/vc/log-edit.el b/lisp/vc/log-edit.el
index 44e7cd7..30457d1 100644
--- a/lisp/vc/log-edit.el
+++ b/lisp/vc/log-edit.el
@@ -623,7 +623,7 @@ Also saves its contents in the comment history and hides
(setq buffer-read-only nil)
(erase-buffer)
(cvs-insert-strings files)
- (setq buffer-read-only t)
+ (special-mode)
(goto-char (point-min))
(save-selected-window
(cvs-pop-to-buffer-same-frame buf)